Asslam o Alaikum.
to day i tell you about " how to solve Tuning Problem in China crt tv" So first of all unplug your tv from socket and open its back cover then check the 5V of tunner if tunner voltage is weak or zero then check the pcb print or resistance from power supply . else if tunner voltage is ok then follow down steps.
Step 1
change tunner it is possible fault of tunning from break tunner.
to day i tell you about " how to solve Tuning Problem in China crt tv" So first of all unplug your tv from socket and open its back cover then check the 5V of tunner if tunner voltage is weak or zero then check the pcb print or resistance from power supply . else if tunner voltage is ok then follow down steps.
Step 1
change tunner it is possible fault of tunning from break tunner.
 |
| Tunner |
Step 2
change the if coil if tunner is ok.
 |
| If Coil |
Step 3
Goto tv factory mode then set VL/VH frequency 64 and VH/UHF frequency 164 and set the band optin 3 .
Step 4
Check all the prints and voltage around the tunner section. most important fault is if coil and tunner.
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